diff --git a/YUNTONG-Smart.md b/YUNTONG-Smart.md
index 7cb938ad..4f3bd321 100644
--- a/YUNTONG-Smart.md
+++ b/YUNTONG-Smart.md
@@ -8,4 +8,6 @@
 *  G0   ?
 *  ?    15
 *  14   2
-*  ?    ?
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+*  ?    ?
+
+Is there a picture somewhere of these pins?  It is very unclear on the board which way round this is.
\ No newline at end of file